Home / 345,222,285.96-518,037,731.61-127,025,855.91

Finding the Fourth Proportional to 345,222,285.96, 518,037,731.61 and 127,025,855.91

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Solution

The fourth proportional to 345,222,285.96, 518,037,731.61 and 127,025,855.91 is: 190,613,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,222,285.96 : 518,037,731.61 = 127,025,855.91 : x
  2. Step 2: Convert to fraction form
    345,222,285.96/518,037,731.61 = 127,025,855.91/x
  3. Step 3: Cross multiply
    345,222,285.96x = 518,037,731.61 × 127,025,855.91
  4. Step 4: Simplify right side
    345,222,285.96x = 65,804,186,251,435,112
  5. Step 5: Solve for x
    x = 65,804,186,251,435,112/345,222,285.96
  6. Step 6: Final answer
    x = 190,613,957.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.